Update application version to latest version from networkservicemesh/…

…cmd-nse-icmp-responder@master networkservicemesh/cmd-nse-icmp-responder#

networkservicemesh/cmd-nse-icmp-responder PR link: https://github.com/networkservicemesh/cmd-nse-icmp-responder/pull/

networkservicemesh/cmd-nse-icmp-responder commit message:
commit d683860eff5323d76ec837271d96d733318975dd
Author: Andrey Sobolev <haiodo@users.noreply.github.com>
Date:   Tue Feb 9 20:52:36 2021 +0700

    Merge pull request #75 from glazychev-art/log

    Update to latest sdk version

Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

apps/nse-kernel/nse.yaml

@@ -16,7 +16,7 @@ spec:
     spec:
       containers:
         - name: nse
-          image: networkservicemeshci/cmd-nse-icmp-responder:e2afbf38
+          image: networkservicemeshci/cmd-nse-icmp-responder:d683860e
           imagePullPolicy: IfNotPresent
           env:
             - name: SPIFFE_ENDPOINT_SOCKET